Package org.apache.hedwig.exceptions

Examples of org.apache.hedwig.exceptions.PubSubException$TopicPersistenceInfoExistsException

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            }
            // Check from the PubSubCallback if it was successful or not.
            if (!pubSubCallback.getIsCallSuccessful()) {
                // See what the exception was that was thrown when the operation
                // failed.
                PubSubException failureException = pubSubCallback.getFailureException();
                if (failureException == null) {
                    // This should not happen as the operation failed but a null
                    // PubSubException was passed. Log a warning message but
                    // throw a generic ServiceDownException.
                    logger.error("Sync SubUnsub operation failed but no PubSubException was passed!");
                    throw new ServiceDownException("Server ack response to SubUnsub request is not successful");
                }
                // For the expected exceptions that could occur, just rethrow
                // them.
                else if (failureException instanceof CouldNotConnectException)
                    throw (CouldNotConnectException) failureException;
                else if (failureException instanceof ClientAlreadySubscribedException)
                    throw (ClientAlreadySubscribedException) failureException;
                else if (failureException instanceof ClientNotSubscribedException)
                    throw (ClientNotSubscribedException) failureException;
                else if (failureException instanceof ServiceDownException)
                    throw (ServiceDownException) failureException;
                else {
                    logger.error("Unexpected PubSubException thrown: " + failureException.toString());
                    // Throw a generic ServiceDownException but wrap the
                    // original PubSubException within it.
                    throw new ServiceDownException(failureException);
                }
            }
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            }
            // Check from the PubSubCallback if it was successful or not.
            if (!pubSubCallback.getIsCallSuccessful()) {
                // See what the exception was that was thrown when the operation
                // failed.
                PubSubException failureException = pubSubCallback.getFailureException();
                if (failureException == null) {
                    // This should not happen as the operation failed but a null
                    // PubSubException was passed. Log a warning message but
                    // throw a generic ServiceDownException.
                    logger.error("Sync Publish operation failed but no PubSubException was passed!");
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                        return;
                    }

                    if (null != sub2Channel.putIfAbsent(topicSub, channel)) {
                        // there was another channel mapped to this sub
                        PubSubException pse = new PubSubException.TopicBusyException(
                            "subscription for this topic, subscriberId is already being served on a different channel");
                        channel.write(PubSubResponseUtils.getResponseForException(pse, request.getTxnId()))
                        .addListener(ChannelFutureListener.CLOSE);
                        return;
                    } else {
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                logger.info("Successfully registered hub with zookeeper");
                ConcurrencyUtils.put(queue, Either.of(resultOfOperation, (PubSubException) null));
            }
        }, null);

        PubSubException pse = ConcurrencyUtils.take(queue).right();

        if (pse != null) {
            throw pse;
        }
    }
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            }
            // Check from the PubSubCallback if it was successful or not.
            if (!pubSubCallback.getIsCallSuccessful()) {
                // See what the exception was that was thrown when the operation
                // failed.
                PubSubException failureException = pubSubCallback.getFailureException();
                if (failureException == null) {
                    // This should not happen as the operation failed but a null
                    // PubSubException was passed. Log a warning message but
                    // throw a generic ServiceDownException.
                    logger.error("Sync SubUnsub operation failed but no PubSubException was passed!");
                    throw new ServiceDownException("Server ack response to SubUnsub request is not successful");
                }
                // For the expected exceptions that could occur, just rethrow
                // them.
                else if (failureException instanceof CouldNotConnectException)
                    throw (CouldNotConnectException) failureException;
                else if (failureException instanceof ClientAlreadySubscribedException)
                    throw (ClientAlreadySubscribedException) failureException;
                else if (failureException instanceof ClientNotSubscribedException)
                    throw (ClientNotSubscribedException) failureException;
                else if (failureException instanceof ServiceDownException)
                    throw (ServiceDownException) failureException;
                else {
                    logger.error("Unexpected PubSubException thrown: " + failureException.toString());
                    // Throw a generic ServiceDownException but wrap the
                    // original PubSubException within it.
                    throw new ServiceDownException(failureException);
                }
            }
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            }
            // Check from the PubSubCallback if it was successful or not.
            if (!pubSubCallback.getIsCallSuccessful()) {
                // See what the exception was that was thrown when the operation
                // failed.
                PubSubException failureException = pubSubCallback.getFailureException();
                if (failureException == null) {
                    // This should not happen as the operation failed but a null
                    // PubSubException was passed. Log a warning message but
                    // throw a generic ServiceDownException.
                    logger.error("Sync Publish operation failed but no PubSubException was passed!");
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                } catch (RuntimeException re) {
                    String errMsg = "RuntimeException caught when instantiating message filter for (topic:"
                                  + topic.toStringUtf8() + ", subscriber:" + subscriberId.toStringUtf8() + ")."
                                  + "It might be introduced by programming error in message filter.";
                    logger.error(errMsg, re);
                    PubSubException pse = new PubSubException.InvalidMessageFilterException(errMsg, re);
                    subStats.incrementFailedOps();
                    // we should not close the subscription channel, just response error
                    // client decide to close it or not.
                    channel.write(PubSubResponseUtils.getResponseForException(pse, request.getTxnId()));
                    return;
                } catch (Throwable t) {
                    String errMsg = "Failed to instantiate message filter for (topic:" + topic.toStringUtf8()
                                  + ", subscriber:" + subscriberId.toStringUtf8() + ").";
                    logger.error(errMsg, t);
                    PubSubException pse = new PubSubException.InvalidMessageFilterException(errMsg, t);
                    subStats.incrementFailedOps();
                    channel.write(PubSubResponseUtils.getResponseForException(pse, request.getTxnId()))
                    .addListener(ChannelFutureListener.CLOSE);
                    return;
                }
                boolean forceAttach = false;
                if (subRequest.hasForceAttach()) {
                    forceAttach = subRequest.getForceAttach();
                }
                // Try to store the subscription channel for the topic subscriber
                Channel oldChannel = subChannelMgr.put(topicSub, channel, forceAttach);
                if (null != oldChannel) {
                    PubSubException pse = new PubSubException.TopicBusyException(
                        "Subscriber " + subscriberId.toStringUtf8() + " for topic " + topic.toStringUtf8()
                        + " is already being served on a different channel " + oldChannel + ".");
                    subStats.incrementFailedOps();
                    channel.write(PubSubResponseUtils.getResponseForException(pse, request.getTxnId()))
                    .addListener(ChannelFutureListener.CLOSE);
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                ConcurrencyUtils.put(queue, Either.of((HubInfo)null, exception));
            }
        }, null);

        Either<HubInfo, PubSubException> result = ConcurrencyUtils.take(queue);
        PubSubException pse = result.right();
        if (pse != null) {
            throw pse;
        }
        myHubInfo = result.left();
    }
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                logger.error("Failed to register hub with zookeeper", exception);
                ConcurrencyUtils.put(queue, Either.of((HubInfo)null, exception));
            }
        }, null);
        Either<HubInfo, PubSubException> result = ConcurrencyUtils.take(queue);
        PubSubException pse = result.right();
        if (pse != null) {
            throw pse;
        }
        myHubInfo = result.left();
        logger.info("Start metadata manager based topic manager with hub id : " + myHubInfo);
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            }
            // Check from the PubSubCallback if it was successful or not.
            if (!pubSubCallback.getIsCallSuccessful()) {
                // See what the exception was that was thrown when the operation
                // failed.
                PubSubException failureException = pubSubCallback.getFailureException();
                if (failureException == null) {
                    // This should not happen as the operation failed but a null
                    // PubSubException was passed. Log a warning message but
                    // throw a generic ServiceDownException.
                    logger.error("Sync Publish operation failed but no PubSubException was passed!");
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Related Classes of org.apache.hedwig.exceptions.PubSubException$TopicPersistenceInfoExistsException

  • org.apache.hedwig.client.handlers.AbstractResponseHandler
  • org.apache.hedwig.client.netty.HedwigPublisher
  • org.apache.hedwig.client.netty.HedwigSubscriber
  • org.apache.hedwig.client.netty.impl.AbstractSubscribeResponseHandler
  • org.apache.hedwig.client.netty.impl.multiplex.MultiplexSubscribeResponseHandler
  • org.apache.hedwig.server.handlers.SubscribeHandler
  • org.apache.hedwig.server.topics.MMTopicManager
  • org.apache.hedwig.server.topics.ZkTopicManager
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